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Windows 7: Driver IRQL Not Less or Equal BSOD

28 Mar 2014   #1
rthomson91

Windows 7 Home Premium x64
 
 
Driver IRQL Not Less or Equal BSOD

Hi All,

I first experienced this BSOD error around 5 months ago. My computer got infected, I believe, around the same time but I am not sure whether the BSOD is related to this. I have since completed a clean install of Windows 7 HP x64 but the BSOD problem persists. The 'Driver IRQL Not Less or Equal' blue screen is the most common error I have encountered but there has been some other intermittent errors, I do not remember which.

I have attached the relevant debug files to my post in the hope that someone can help identify the cause of this error.

I am unsure how much information to include in this post so please get in contact and I will provide further information.

Thanks,
Ryann


My System SpecsSystem Spec
.
28 Mar 2014   #2
Thedoctor44

 

Your Anti virus (bitdefender) appears to be causing issues, please remove it, install Microsoft Security Essentials and malwarebytes instead.

windows.microsoft.com/en-GB/windows/security-essentials-download

https://www.malwarebytes.org/free/

Code:
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck D1, {10, 2, 0, fffff88001081a73}

Unable to load image \??\c:\program files\common files\bitdefender\bitdefender firewall\bdfndisf6.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for bdfndisf6.sys
*** ERROR: Module load completed but symbols could not be loaded for bdfndisf6.sys
Probably caused by : bdfndisf6.sys ( bdfndisf6+ba73 )
My System SpecsSystem Spec
29 Mar 2014   #3
rthomson91

Windows 7 Home Premium x64
 
 

Is there anything else that might be causing the problem? I only installed Bitdefender in response to the first few occurrences of this BSOD as I thought it had been caused by a virus.
My System SpecsSystem Spec
.

29 Mar 2014   #4
Thedoctor44

 

Well, if it's driver related Driver Verifier should help us. Please enable it by following these instructions.

Driver Verifier - Enable and Disable

When you enable the drivers please avoid enabling all drivers by Microsoft, Unknown or Macrovision
My System SpecsSystem Spec
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 Driver IRQL Not Less or Equal BSOD




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